Khóa học ielts introduction – tiến bước xa hơn với ielts

The International English Language Testing System (IELTS) is a test that measures the language proficiency of people who want to study or work in environments where English is used as a language of communication. An easy-to-use 9-band scale clearly identifies proficiency level, from non-user (band score 1) through to expert (band score 9)